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complete the table below by using the formula for the area of a triangle, parrallelogram, or trapezoid​

Complete The Table Below By Using The Formula For The Area Of A Triangle Parrallelogram Or Trapezoid class=

Sagot :

Answer:

11. 36 m²

Formula:

[tex]a = \frac{(bh)}{2} = \frac{(6 \times 12)}{2} = \frac{72}{2} = 36[/tex]

12. 7

Formula:

[tex]h = \: a \div b = 84 \div 12 = 7[/tex]

13. 14 m

Formula:

[tex]h = 2 \frac{a}{(b1 + b2)} = 2 \times \frac{168}{(9 + 15)} = 2 \times \frac{168}{24} = 2 \times 7 = 14[/tex]

14. 32 cm²

[tex]a = \frac{(b1 + b2)h}{2} = \frac{(6 + 10) \times 4}{2} = \frac{16 \times 4}{2} = \frac{64}{2} = 32[/tex]

15. 12 m

[tex]b = a \div h = 36 \div 3 = 12[/tex]

Step-by-step explanation:

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